AiLLAS HAD BEEN THE LOVER of Casmir's daughter, Suldrun, and the father of their son, Dhrun, who had been taken by the fairies of Thripsey Shee and replaced with the half-fairy changeling who became the Princess Madouc of Lyonesse.
Happily for King Casmir's peace of mind, he knew nothing of these facts and so was mightily perplexed by the prophecy uttered by the magic mirror Persilian, to the effect that Suldrun's first-born son before his death would sit on the throne Evandig and also in honour and authority at the Board of Notables, the ancient ‘Gairbra an Meadhan'—this table in fact, the model for the Round Table of King Arthur of Cornwall, still two generations in the future.